Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755483Ab3HFOab (ORCPT ); Tue, 6 Aug 2013 10:30:31 -0400 Received: from mail-bk0-f52.google.com ([209.85.214.52]:52387 "EHLO mail-bk0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754962Ab3HFOa1 (ORCPT ); Tue, 6 Aug 2013 10:30:27 -0400 From: Miklos Szeredi To: rwheeler@redhat.com, avati@redhat.com, viro@ZenIV.linux.org.uk Cc: bfoster@redhat.com, dhowells@redhat.com, eparis@redhat.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-nfs@vger.kernel.org, Trond.Myklebust@netapp.com, swhiteho@redhat.com, mszeredi@suse.cz Subject: [PATCH 4/4] fuse: drop dentry on failed revalidate Date: Tue, 6 Aug 2013 16:30:03 +0200 Message-Id: <1375799403-28544-5-git-send-email-miklos@szeredi.hu> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: <1375799403-28544-1-git-send-email-miklos@szeredi.hu> References: <1375799403-28544-1-git-send-email-miklos@szeredi.hu> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1287 Lines: 41 From: Anand Avati Drop a subtree when we find that it has moved or been delated. This can be done as long as there are no submounts under this location. If the directory was moved and we come across the same directory in a future lookup it will be reconnected by d_materialise_unique(). Signed-off-by: Anand Avati Signed-off-by: Miklos Szeredi --- fs/fuse/dir.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index 131d14b..4ba5893 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -226,8 +226,13 @@ static int fuse_dentry_revalidate(struct dentry *entry, unsigned int flags) if (!err) { struct fuse_inode *fi = get_fuse_inode(inode); if (outarg.nodeid != get_node_id(inode)) { + int ret = 0; + + if (check_submounts_and_drop(entry) != 0) + ret = 1; + fuse_queue_forget(fc, forget, outarg.nodeid, 1); - return 0; + return ret; } spin_lock(&fc->lock); fi->nlookup++; -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/